[Bug libstdc++/84773] [7/8 Regression] Cross-compilers do not use aligned_alloc or _aligned_malloc for aligned-new

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84773

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Mon Mar 12 22:52:16 2018
New Revision: 258468

URL: https://gcc.gnu.org/viewcvs?rev=258468&root=gcc&view=rev
Log:
PR libstdc++/84773 use aligned alloc functions for FreeBSD and MinGW
cross-compilers

        PR libstdc++/84773
        PR libstdc++/83662
        * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
        * configure: Regenerate.
        * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
        (aligned_alloc): Add using-declaration.
        * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/18_support/aligned_alloc/
    trunk/libstdc++-v3/testsuite/18_support/aligned_alloc/aligned_alloc.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/configure
    trunk/libstdc++-v3/crossconfig.m4
    trunk/libstdc++-v3/include/c_global/cstdlib